Decorator mode, decorating mode _php tutorial

Adorner mode, decorative mode

Adorner mode

 Php//Adorner mode-complements the function of the class without changing the structure of the original class//Weapon base classAbstract classweapon{Abstract  Public functiondescriptions (); Abstract  Public functionCost ();}//Sword ClassclassGlaveextendsweapon{ Public functiondescriptions () {return' Glave '; }         Public functionCost () {return"100"; }}//Dagger classclassKnifeextendsweapon{ Public functiondescriptions () {return __class__; }     Public functionCost () {return"80"; }}//Axe classclassAxeextendsweapon{ Public functiondescriptions () {return  __class__; }     Public functionCost () {return"200"; }}//Attribute ClassclassPropertyextendsweapon{protected $_weapon=NULL; protected $_price= 0; protected $_descriptions= '';  Public function__construct (weapon$weapon){        $this->_weapon =$weapon; }     Public functionCost () {return     $this->_weapon->cost () +$this-_price; }         Public functiondescriptions () {return $this->_weapon->descriptions ().$this-_descriptions; }}//Power PropertiesclassStrengthextendsproperty{protected $_price= 30; protected $_descriptions= ' + Strength ';}//Agile PropertiesclassAgilityextendsproperty{protected $_price= 50; protected $_descriptions= ' + Agility ';}//Intellectual PropertiesclassIntellectextendsproperty{protected $_price= 20; protected $_descriptions= ' + Intellect ';}$weapon=NewAgility (NewStrength (NewStrength (NewGlave () )));Echo $weapon-Cost ();Echo $weapon->descriptions ();

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